In 2015, the city hired the University of Vermont to use aerial technology to measure tree canopy. It used a technology called light detection and ranging, or LIDAR, in which a sensor-equipped plane collects data to create a three-dimensional model of the Earth’s surface and surface characteristics, such as trees. One result of that study was the discovery that there were only 6,338 trees with a trunk diameter of 30 inches or greater left in the city. In this campaign, we refer to these trees as "majestic."
There is no street-level data from that study, and no satellite images have been assessed since then. Therefore, we don't have a good picture or current data of how many, what species, the state of health and where these majestic trees currently live in our city.
Through this campaign, we aim to invite our citizens and communities to locate and document majestic trees in our city in order to capture a current count, a census so to speak.
Have you located a majestic tree, or a few, in your neighborhood or around the city? Share them with us. We'll count and map them!
The simplest way to send us your tree information is to enter it directly via our Google Form:
Majestic trees play a unique and important role in our urban environment, but Seattle doesn't have a true and current record of how many, what species, how healthy and where they are. We want to create a census!